
so this guy has made this parallel mixer which lets you combine two effects at the same time with kill switches which means that you can stop sending signal to the effects but still hear your dry and the trails (useful with delays as displayed here
more info here http://dramaticrunnerfx.blogspot.com/
http://www.hugeracksinc.com/forum/viewt ... sc&start=0
as mentioned on this forum what could also be terribly interesting would be to run two OD/dist/fuzz pedals in parallel. could yield excellent results.